Sierria is a distinctive girls' name in United States, ranking #20135 in 2007 with 5 recorded births. The name reached its all-time peak in 2000 with 20 births ranking #5670. Since 1996, the popularity has decreased by 58.3%. In 2007, approximately 1 in every 384,490 girls born was named Sierria. FALLING Recent data shows the name is currently falling.